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Pixmap caching gTooltips is rather slow, so only use it on Mac platform as it fixes the wavy font bug

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This commit is contained in:
Mark Watkins 2013-01-18 20:55:55 +10:00
parent 1397f35ac4
commit 57eaca4ed5
1 changed files with 17 additions and 0 deletions
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17
Graphs/gGraphView.cpp
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@ -771,7 +771,13 @@ void gToolTip::paint() //actually paints it.
{
if (!m_visible) return;
#ifdef Q_OS_MAC
// Using this solves the wavy text bug, but is a fraction slower
bool usepixmap=m_graphview->usePixmapCache();
#else
// Slower on Linux in this case..
bool usepixmap=false;
#endif
int x=m_pos.x();// - tw / 2;
int y=m_pos.y();// - th;
@ -808,6 +814,13 @@ void gToolTip::paint() //actually paints it.
rect.setY(0);
rect.setHeight(h);
}
if (!m_pixmap.isNull()) {
m_graphview->deleteTexture(m_textureID);
m_textureID=0;
m_pixmap=QPixmap();
m_invalidate=true;
}
} else {
rect.setCoords(0,0,rect.width()+m_spacer*2,rect.height()+m_spacer*2);
painter.end();
@ -823,8 +836,10 @@ void gToolTip::paint() //actually paints it.
quads_drawn_this_frame+=1;
QBrush brush(QColor(255,255,128,200));
brush.setStyle(Qt::SolidPattern);
painter.setBrush(brush);
painter.drawRoundedRect(rect,5,5);
painter.setBrush(Qt::black);
@ -833,12 +848,14 @@ void gToolTip::paint() //actually paints it.
painter.end();
if (usepixmap) {
m_textureID=m_graphview->bindTexture(m_pixmap);
m_invalidate=false;
}
}
if (usepixmap) {
x-=m_spacer+m_pixmap.width()/2;
y-=m_pixmap.height()/2;
if (y<0) y=0;
if (x<0) x=0;
if ((x+m_pixmap.width()) > (m_graphview->width()-10)) x=m_graphview->width()-10 - m_pixmap.width();
if (usepixmap && !m_pixmap.isNull()) {
glEnable(GL_BLEND);